电晕效应是特高压输电线路设计中所考虑的关键题目之一，温度、湿度对直流导线电晕影响规律是特高压直流输电线路设计的依据。
Corona effect is one of the key issues of designing UHV transmission lines, in which the influence of temperature and humidity on DC conductor corona should be considered.
由试验结果和理论分析得到直接荷电法的机理是尖端效应，电晕荷电法的机理为碰撞荷电。
Experimental results and theoretical work show that the mechanisms of the direct charging and the corona charging are respectively the tip effect and collision effect.
利用电晕线支撑部分和屏蔽管的静电屏蔽效应，可以改善电除尘器板电流密度分布，减弱反电晕，并可得到高电压低电流的安全运行状态。
By using this kind of shielding effects, the electric current density distribution can be improved, the back-corona can be reduced and the high voltage and low current state can be obtained.
当气体压力小于电晕稳定效应的临界压力，或由于温度降低而使压力减小到临界压力时，电晕起始电压随温度的降低而下降。
If the pressure is smaller than the critical one, following the decreasing of the temperature, the breakdown voltages will increase due to the corona stabilization effect.
当气体压力小于电晕稳定效应的临界压力，或由于温度降低而使压力减小到临界压力时，电晕起始电压随温度的降低而下降。
If the pressure is smaller than the critical one, following the decreasing of the temperature, the breakdown voltages will increase due to the corona stabilization effect.
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